Obesity Index That Better Predict Metabolic Syndrome: Body Mass Index, Waist Circumference, Waist Hip Ratio, or Waist Height Ratio

Table 3

Area under the ROC curve, optimal cut-off points, and validity parameters of different obesity indices in predicting MetS (𝑁=1,552).

	AUC (95% CI)	Cut-off value	Sensitivity	Specificity	Youden index
Men
Body mass index (BMI)	0.56 (0.51–0.61)	28 kg/m^2	58.0%	52.9%	0.109
		30 kg/m^2	38.5%	66.7%	0.052
Waist circumference (WC)	0.78 (0.74–0.82)	99.5 cm	81.6%	63.9%	0.455
		102 cm	75.9%	67.3%	0.432
Waist height ratio (WHtR)	0.74 (0.71–0.79)	0.58	75.1%	64.8%	0.399
		0.50	96.6%	24.5%	0.211
Waist hip ratio (WHR)	0.75 (0.71–0.79)	0.90	70.1%	69.9%	0.400
Women
Body mass index (BMI)	0.70 (0.66–0.74)	28.4 kg/m^2	73.7%	64.8%	0.385
		30 kg/m^2	66.4%	67.1%	0.335
Waist circumference (WC)	0.81 (0.78–0.85)	91.0 cm	86.5%	64.7%	0.512
		88 cm	94.4%	53.2%	0.476
Waist height ratio (WHtR)	0.79 (0.76–0.83)	0.63	77.6%	71.5%	0.491
		0.50	96.1%	20.1%	0.162
Waist hip ratio (WHR)	0.75 (0.72–0.79)	0.88	75.4%	71.5%	0.469

AUC: area under the curve, ROC: receiver operating characteristics, CI: confidence interval.